NH 77 may refer to:

• National Highway 77 (India)
• New Hampshire Route 77, United States

• History of the novel
• History of the NRL
• History of the Oakland Athletics
• History of the oakland raiders
• History of the oil industry in Saudi Arabia
• History of the oil tanker
• History of the Oklahoma Panhandle
• History of the Oklahoma State Capitol
• History of the Old Kent Road
• History of the Olimpiyskiy National Sports Complex
• History of the Opera Internet suite
• History of the opera web browser
• History of the Orange Institution
• History of the orange order
• History of the Orkney Islands
• History of the orkney islands
• History of the Orthodox Churches in North America
• History of the orthodox churches in north america
• History of the orthodox church in moldova
• History of theory of capitalism
• History of theory of computation
• History of the Oslo Tramway and Metro
• History of the Oslo Tramway and T-bane
• History of the Ottawa Senators (1992-)
• History of the Ottawa Senators (1992–)